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SwitchBot Lock battery: 2 × CR123A

The SwitchBot Lock takes two CR123A 3V batteries.

CR123A

CR123A× 23V batteries

Also sold as CR17345, DL123A, EL123AP, RL123A · CR123A details

Source: SwitchBot Lock spec sheet

Energizer 123 lithium at Amazon for CR123A 3V lithium battery (affiliate link, opens in new tab)Duracell CR123A at Amazon (affiliate link)

Before you swap it

  • Change all two at once. Don't mix old batteries with new ones or one brand with another, since the weakest one in the set drags the others down with it.

Quick answers

What battery does the SwitchBot Lock take?

Two CR123A 3V batteries.

Is CR17345 the same as CR123A?

Yes. CR17345, DL123A, EL123AP and RL123A are all the same cell as CR123A, sold under another name.